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Finding the Fourth Proportional to 170,202.60, 254,843.10 and 133,338.60

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Solution

The fourth proportional to 170,202.60, 254,843.10 and 133,338.60 is: 199,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,202.60 : 254,843.10 = 133,338.60 : x
  2. Step 2: Convert to fraction form
    170,202.60/254,843.10 = 133,338.60/x
  3. Step 3: Cross multiply
    170,202.60x = 254,843.10 × 133,338.60
  4. Step 4: Simplify right side
    170,202.60x = 33,980,422,173.66
  5. Step 5: Solve for x
    x = 33,980,422,173.66/170,202.60
  6. Step 6: Final answer
    x = 199,646.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.